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Cheap flights from Portland to Melbourne Airport from $821

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/8. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — MEL
14 Jul — 21 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Portland to Melbourne

Enter your travel dates to find the best prices.

Cheapest flights from Portland to Melbourne
Explore the most affordable flight options available from Portland to Melbourne. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 June 2026.

Sun 4/1019:45
PDX
-
MEL
2 stops22h 25m
Multiple Airlines
Sun 11/1006:00
MEL
-
PDX
2 stops21h 31m
Multiple Airlines
Deal found 10/6$1,525
Wed 1/715:27
PDX
-
MEL
1 stop22h 18m
American Airlines
Wed 19/813:35
MEL
-
PDX
1 stop26h 34m
American Airlines
Deal found 12/6$1,531
Wed 1/715:27
PDX
-
MEL
1 stop22h 18m
American Airlines
Thu 30/709:45
MEL
-
PDX
1 stop23h 53m
American Airlines
Deal found 9/6$1,532
Wed 1/718:03
PDX
-
MEL
1 stop21h 12m
United Airlines
Thu 30/710:55
MEL
-
PDX
1 stop22h 52m
United Airlines
Deal found 11/6$1,536
Sun 8/1110:00
PDX
-
MEL
2 stops33h 35m
Air Canada
Sun 29/1107:00
MEL
-
PDX
2 stops32h 46m
Air Canada
Deal found 10/6$1,543
Wed 1/712:50
PDX
-
MEL
2 stops25h 40m
Air New Zealand
Wed 19/809:30
MEL
-
PDX
2 stops22h 35m
Air New Zealand
Deal found 11/6$1,545
Wed 1/713:14
PDX
-
MEL
1 stop26h 01m
United Airlines
Wed 19/810:55
MEL
-
PDX
1 stop18h 05m
United Airlines
Deal found 13/6$1,546
Wed 17/618:03
PDX
-
MEL
1 stop21h 12m
United Airlines
Fri 17/710:55
MEL
-
PDX
1 stop26h 59m
United Airlines
Deal found 10/6$1,548
Fri 16/1012:45
PDX
-
MEL
2 stops25h 45m
Air New Zealand
Wed 28/1012:00
MEL
-
PDX
1 stop20h 27m
Air New Zealand
Deal found 9/6$1,550
Thu 1/1006:30
PDX
-
MEL
1 stop31h 15m
American Airlines
Thu 15/1009:45
MEL
-
PDX
1 stop29h 24m
American Airlines
Deal found 9/6$1,552

Find flight deals from Portland to Melbourne

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) to Melbourne (MEL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 14 June 2026.

Round-trip from

$1,525

One-way from

$821

Popular in

October

Cheapest in

June

Average price

$1,396
4/10-11/10
  • 4/10-11/10
  • 4 total stops
  • 43h 56m total
  • Portland to Melbourne
Search Deals
Qantas Airways
  • Qantas Airways
  • 6/8
  • 1 total stop
  • 20h 08m total
  • Portland to Melbourne
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($360 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($102 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Portland to Melbourne that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 14 June 2026.
Use the filters below to find and compare flights from Portland to Melbourne Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Sun 8/11

10:00-14:35

2 stops33h 35m

Melbourne

Sun 29/11

07:00-20:46

2 stops32h 46m

$1,542
Fastest return journey

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Wed 1/7

19:45-11:40

2 stops22h 55m

Melbourne

Wed 19/8

06:00-09:31

2 stops20h 31m

$1,546

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Wed 1/7

13:14-08:15

1 stop26h 01m

Melbourne

Wed 19/8

10:55-12:00

1 stop18h 05m

$1,546

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Wed 1/7

12:50-07:30

2 stops25h 40m

Melbourne

Thu 30/7

10:55-23:13

2 stops29h 18m

$1,553

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Fri 16/10

10:43-08:30

2 stops27h 47m

Melbourne

Wed 28/10

10:30-18:05

2 stops25h 35m

$1,553

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Wed 1/7

07:20-07:50

2 stops31h 30m

Melbourne

Fri 31/7

10:00-23:54

2 stops30h 54m

$1,563

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Tue 8/9

05:00-08:15

2 stops58h 15m

Melbourne

Wed 7/10

10:30-17:46

2 stops25h 16m

$1,573
Cheapest one-way

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Thu 6/8

17:36-23:25

3 stops36h 49m

$826
Fastest single journey

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Wed 2/9

12:45-07:30

2 stops25h 45m

$837

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Wed 25/11

11:07-10:00

2 stops27h 53m

$837

Flights are sorted by cheapest return flights first.

Deals found on 9/6

Showing 1-10 of 14 resultsSorted by cheapest first
1
2

Best time to book a flight from Portland to Melbourne

Have a flexible travel schedule? Discover the best time to fly to Melbourne from Portland with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Portland to Melbourne Airport

What is the cheapest month to book a flight from Portland to Melbourne Airport?

Currently, June is the cheapest month in which you can book a flight from Portland to Melbourne Airport (average of $1,396). Flying from Portland to Melbourne Airport in October is currently the most expensive (average of $2,506). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost for a return flight from Portland to Melbourne Airport?

Related info for your journey

Find useful and relevant information for your journey from Portland to Melbourne. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Portland to Melbourne?

    Located just 9.7 km from the city centre, Portland is the airport most travellers will use when flying to Melbourne from Portland. Booking flights from Portland (PDX) to Melbourne should be relatively easy as there are 0 daily outbound flights to Melbourne from 0 different airlines.

  • How long is the flight from Portland to Melbourne Airport?

    A quick flight from Portland to Melbourne Airport can take about 26h 01m. Air Canada provides one of the quickest options available for as low as $1,546. There are 13053 km between Portland and Melbourne Airport. Both multi-stop and direct flights can be found to your destination and back.

  • Can I find deals for flights from Portland to Melbourne that include hotel bookings?

    Yes. In addition to deals on Portland to Melbourne flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Portland to Melbourne?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Melbourne.

  • Can I find deals for business class flights from Portland to Melbourne?

    Yes. Cheapflights offers flight deals from Portland to Melbourne by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Portland to Melbourne Airport?

    Currently, June is the cheapest month in which you can book a flight from Portland to Melbourne Airport (average of $1,396). Flying from Portland to Melbourne Airport in October is currently the most expensive (average of $2,506). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Melbourne Airport?

Book flights to Melbourne Airport if you plan to visit one of these locations
Dandenong
Geelong
Ballarat
Apollo Bay
Tullamarine
Lorne
Shepparton
St Kilda
Phillip Island
Sorrento
Torquay
Daylesford
Mornington
Brighton

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How does Cheapflights help users find flights from Portland to Melbourne?

Cheapflights makes it easy to find Portland to Melbourne flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Portland to Melbourne?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Melbourne from Portland.

Can Cheapflights find flights from Portland to Melbourne with no change fees?

Yes, we can. To see specific flights from Portland to Melbourne with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Portland to Melbourne become cheaper?

Yes! Start tracking prices for Portland to Melbourne flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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